It is called The 7-minute workout and it is an app that guarantees you to do a workout to lose weight by taking only 7 minutes of your time: it went viral in a few days, it is a very simple app, which offers exercises that are easy to do, for which it is requested one skill and no physical tools. Skill is the speed of execution.

The training for weight loss of this app in fact works as long as it is done at high intensity: it is perfect for those who do not have time to go to the gym, for those who generally train but are traveling or in periods when time is running out. , for the housewife as for the athlete, for those who would like to do something more on the weekend. It was created by personal trainer Brett Klika and physiologist Chris Jordan. It involves doing twelve exercises in a total of 7 minutes, apart from a quick warm-up that you can do on your own.

Below, we see what are the exercises proposed in the standard version.
Each workout can be customized by more experienced users.
For each exercise I leave you a link to a youtube video that explains how to do it, for those who want to try this workout to lose weight without using the app, which you can download here.

7-MINUTE WORKOUT: TRAINING TO LOSE WEIGHT
Each exercise should be performed for thirty seconds, with a ten-second pause between one exercise and another. 
One set per exercise, with as many repetitions as you can do in thirty seconds. The goal is to do as many repetitions as possible in thirty seconds of each exercise. You will need a stopwatch, a mat or mat and a chair that is sturdy enough to hold your body weight.
Here are the 12 exercises of the workout: remember, how many repetitions you can do for a total of 30 seconds per exercise and 10 of rest between one and the other. Total: 7 minutes.

1) Jumping Jacks
2) Wall sit
3) Push ups
4) Abdominal crunch
5) Step up on chair
6) Squat
7) Triceps dips on chair
8) Plank (hold the position for 30 seconds)
9) Run in place with knees raised
10) Lunges
11) Push ups with torso rotation
12) Side plank